Refactor key_info (preparing it for WSSE)
Added plugin support to SOAP client
Added WSSE basic client plugin
Deprecated WSSE inside client (backward compatiblity)
Update WSSE basic client test to use new plugin
Generalize XML sec signing to use other templates
Added tentative WSSE signer using xmlsec (RSA-SHA1)
Fix WSSE hashing due that whole xml was being signed
Fix RSA signing issue using exclusive c14n
Fix client raw xml parameter name